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/*******************************************************************************
* Copyright (c) 2011, 2013 GitHub Inc and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Kevin Sawicki (GitHub Inc.) - initial API and implementation
*******************************************************************************/
package org.eclipse.egit.ui.test.commit;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.io.File;
import org.eclipse.egit.core.Activator;
import org.eclipse.egit.ui.common.LocalRepositoryTestCase;
import org.eclipse.egit.ui.internal.commit.DiffRegionFormatter;
import org.eclipse.egit.ui.internal.commit.DiffRegionFormatter.DiffRegion;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.revwalk.RevWalk;
import org.junit.Before;
import org.junit.Test;
/**
* Unit tests for {@link DiffRegionFormatter}.
*/
public class DiffRegionFormatterTest extends LocalRepositoryTestCase {
private Repository repository;
private RevCommit commit;
@Before
public void setup() throws Exception {
File repoFile = createProjectAndCommitToRepository();
assertNotNull(repoFile);
repository = Activator.getDefault().getRepositoryCache()
.lookupRepository(repoFile);
assertNotNull(repository);
try (RevWalk walk = new RevWalk(repository)) {
commit = walk.parseCommit(repository.resolve(Constants.HEAD));
assertNotNull(commit);
walk.parseBody(commit.getParent(0));
}
}
@Test
public void testRanges() throws Exception {
IDocument document = new Document();
DiffRegionFormatter formatter = new DiffRegionFormatter(
document);
formatter.setRepository(repository);
formatter.format(commit.getTree(), commit.getParent(0).getTree());
assertTrue(document.getLength() > 0);
DiffRegion[] regions = formatter.getRegions();
assertNotNull(regions);
assertTrue(regions.length > 0);
for (DiffRegion region : regions) {
assertNotNull(region);
assertTrue(region.getOffset() >= 0);
assertTrue(region.getLength() >= 0);
assertTrue(region.getOffset() < document.getLength());
}
}
}
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